fourth ventricle

n.

An irregular cavity that extends from the obex to a communication with the sylvian aqueduct and is enclosed between the cerebellum dorsally and the tegmentum of rhombencephalon ventrally.

Nearby words

  1. fourth heart sound,
  2. fourth international,
  3. fourth of july,
  4. fourth position,
  5. fourth republic,
  6. fourth wall,
  7. fourth world,
  8. fourth-class,
  9. fourthly,
  10. fouta djallon


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.